UnderstandingGPSPrinciplesandApplications

autocad插件，批量注记多边形边长，一键调整字体高度(Autocad plug-in, batch note polygon edge length, one key to adjust font height)

通过VC++实现输入法的简单原理，从而让初学者了解输入法编程的含义。(By the simple principle of VC++ input method, allowing beginners to understand the meaning of the input method programming.)

说明：  pwm小车，内有视频，功能强大，讲解详实，是一个不可多得的pwm小车入门。(PWM car, with video, powerful function, detailed explanation, is a rare introduction to PWM car.)

本书是一本比较全面的VC的编程手册，帮你快速掌握VC，是开发必不可少工具。( A book of VC preference,it is useful for you.)

wince傳送簡訊的範例,利用vs 2005編譯開發(wince newsletter send an example, using vs 2005 to compile the development of)

学习C++，先学串口编程，本程序就是以串口作为编程对象，进行针对串口的数据接收与发送，内含丰富的注释，纯个人理解！(To learn C++ learn first serial programming, the program is as a programming object to the serial port for serial data reception and transmission, contains a wealth of comments, pure personal understanding!)

假设系统中有两个分别名为P1、P2的进程及两台均可进行输入、输出操作的设备d1、d2。两个进程可以从两台设备中的任何一台输入数据，并可以向其中的任何一台设备输出数据。编写C程序，模拟操作系统中使用的设备缓冲区管理算法，完成上述进程的输入、输出操作及数据处理任务。(assumption that the system has two named P1, P2 and the process can be carried out two input, Output operation of equipment d1, d2. 2 process from two equipment of any one input data, and can assure them in any one piece of equipment output data. C. preparation procedures, the operating system simulation equipment used in the buffer management algorithms, completion of the admission process, operation and output data processing tasks.)

朋友写的C++645通讯程序，支持645-1997与645-2007,支持自已组帧程序自动添加校验码通讯，可以增加数据标识定义，里面还有部分关于费控通讯代码，挺好，拿来分享(Friend write C++645 communications program to support the 645-1997 and 645-2007, to support their own group the frame program automatically adds the checksum communications, can increase data identifies the definition, there is also a section on the fee control communications code, good for them and share)

本程序采用VS2008实现的网络的点对点通信，大家可以参考一下！(The program uses a network of VS2008 to achieve point to point communication, we can refer to!)

libxl提供不依赖与office的xls操作功能(libxl provide independent operation with the office of the xls function)